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JOM

, Volume 23, Issue 5, pp 37–42 | Cite as

A new high strength, deep hardenable titanium alloy —Ti-6AI-6V-4Zr-4Mo

  • G. H. Heitman
Technical Article
  • 4 Downloads

Abstract

With the increased demand for titanium in large structural components for such applications as the supersonic transport and deep submergence vehicles there is a requirement for high strength deep hardening alloys. The present beta type titanium alloys offer a depth hardenability up to 6 in, and generally have high densities and relatively low ductilities. Some current alpha + beta alloys such as Ti 6AI-6V-2Sn show high strength capability; however, strength decreases significantly in section sizes over 1 in. A new alpha-beta alloy, Ti 6AI-6V-4Mo-4Zr, presently under development, offers relatively high strength in sections up to 6 in., somewhat lower density than the beta alloys, adequate ductility in three directions, and exceptionally good fracture toughness. This paper covers the development of the new alpha-beta titanium alloy and a comparison with presently available high strength titanium.

Keywords

Fracture Toughness Titanium Alloy Section Size Fracture Toughness Test Beta Transus 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© The Minerals, Metals & Materials Society 1971

Authors and Affiliations

  • G. H. Heitman
    • 1
  1. 1.Keddy Manufacturing CompanyProvidenceUSA

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